apache / apache/hudi

Allow column re-ordering for schema on write

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#16,267 1 comment 0 reactions 0 assignees View on GitHub
area:sql area:writer engine:spark from-jira priority:high type:feature
Dominant language
Java
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Description

Allow column order to be changed for out of the box schema evolution. This will also allow columns to be added at any position in the schema

## JIRA info

- Link: https://issues.apache.org/jira/browse/HUDI-6957
- Type: New Feature

Contributor guide

No contributing guide indexed for this repository

Research direction

The issue names no files, tests, or entry points. Begin by locating the out-of-the-box schema-evolution path for writes and clarifying expected behavior for reordered and newly inserted columns; done means supported writes preserve the requested schema order with regression coverage.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
data-engineering
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
45/100

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